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Object Name: | ALL_INDEXES |
---|---|
Object Type: | VIEW |
Owner: | SYS |
Subobject Name: | |
Status: | VALID |
Descriptions of indexes on tables accessible to the user
Name | Datatype | Length | Mandatory | Comments |
---|---|---|---|---|
OWNER | VARCHAR2 | (128) | Yes | Username of the owner of the index |
INDEX_NAME | VARCHAR2 | (128) | Yes | Name of the index |
INDEX_TYPE | VARCHAR2 | (27) | ||
TABLE_OWNER | VARCHAR2 | (128) | Yes | Owner of the indexed object |
TABLE_NAME | VARCHAR2 | (128) | Yes | Name of the indexed object |
TABLE_TYPE | CHAR | (5) | Type of the indexed object | |
UNIQUENESS | VARCHAR2 | (9) | Uniqueness status of the index: "UNIQUE", "NONUNIQUE", or "BITMAP" | |
COMPRESSION | VARCHAR2 | (13) | Compression property of the index: "ENABLED", "DISABLED", or NULL | |
PREFIX_LENGTH | NUMBER | Number of key columns in the prefix used for compression | ||
TABLESPACE_NAME | VARCHAR2 | (30) | Name of the tablespace containing the index | |
INI_TRANS | NUMBER | Initial number of transactions | ||
MAX_TRANS | NUMBER | Maximum number of transactions | ||
INITIAL_EXTENT | NUMBER | Size of the initial extent | ||
NEXT_EXTENT | NUMBER | Size of secondary extents | ||
MIN_EXTENTS | NUMBER | Minimum number of extents allowed in the segment | ||
MAX_EXTENTS | NUMBER | Maximum number of extents allowed in the segment | ||
PCT_INCREASE | NUMBER | Percentage increase in extent size | ||
PCT_THRESHOLD | NUMBER | Threshold percentage of block space allowed per index entry | ||
INCLUDE_COLUMN | NUMBER | User column-id for last column to be included in index-organized table top index | ||
FREELISTS | NUMBER | Number of process freelists allocated in this segment | ||
FREELIST_GROUPS | NUMBER | Number of freelist groups allocated to this segment | ||
PCT_FREE | NUMBER | Minimum percentage of free space in a block | ||
LOGGING | VARCHAR2 | (3) | Logging attribute | |
BLEVEL | NUMBER | B-Tree level | ||
LEAF_BLOCKS | NUMBER | The number of leaf blocks in the index | ||
DISTINCT_KEYS | NUMBER | The number of distinct keys in the index | ||
AVG_LEAF_BLOCKS_PER_KEY | NUMBER | The average number of leaf blocks per key | ||
AVG_DATA_BLOCKS_PER_KEY | NUMBER | The average number of data blocks per key | ||
CLUSTERING_FACTOR | NUMBER | A measurement of the amount of (dis)order of the table this index is for | ||
STATUS | VARCHAR2 | (8) | Whether the non-partitioned index is in USABLE or not | |
NUM_ROWS | NUMBER | |||
SAMPLE_SIZE | NUMBER | The sample size used in analyzing this index | ||
LAST_ANALYZED | DATE | The date of the most recent time this index was analyzed | ||
DEGREE | VARCHAR2 | (40) | The number of threads per instance for scanning the partitioned index | |
INSTANCES | VARCHAR2 | (40) | The number of instances across which the partitioned index is to be scanned | |
PARTITIONED | VARCHAR2 | (3) | Is this index partitioned? YES or NO | |
TEMPORARY | VARCHAR2 | (1) | Can the current session only see data that it place in this object itself? | |
GENERATED | VARCHAR2 | (1) | Was the name of this index system generated? | |
SECONDARY | VARCHAR2 | (1) | Is the index object created as part of icreate for domain indexes? | |
BUFFER_POOL | VARCHAR2 | (7) | The default buffer pool to be used for index blocks | |
FLASH_CACHE | VARCHAR2 | (7) | The default flash cache hint to be used for index blocks | |
CELL_FLASH_CACHE | VARCHAR2 | (7) | The default cell flash cache hint to be used for index blocks | |
USER_STATS | VARCHAR2 | (3) | Were the statistics entered directly by the user? | |
DURATION | VARCHAR2 | (15) | If index on temporary table, then duration is sys$session or sys$transaction else NULL | |
PCT_DIRECT_ACCESS | NUMBER | If index on IOT, then this is percentage of rows with Valid guess | ||
ITYP_OWNER | VARCHAR2 | (128) | If domain index, then this is the indextype owner | |
ITYP_NAME | VARCHAR2 | (128) | If domain index, then this is the name of the associated indextype | |
PARAMETERS | VARCHAR2 | (1000) | If domain index, then this is the parameter string | |
GLOBAL_STATS | VARCHAR2 | (3) | Are the statistics calculated without merging underlying partitions? | |
DOMIDX_STATUS | VARCHAR2 | (12) | Is the indextype of the domain index valid | |
DOMIDX_OPSTATUS | VARCHAR2 | (6) | Status of the operation on the domain index | |
FUNCIDX_STATUS | VARCHAR2 | (8) | Is the Function-based Index DISABLED or ENABLED? | |
JOIN_INDEX | VARCHAR2 | (3) | Is this index a join index? | |
IOT_REDUNDANT_PKEY_ELIM | VARCHAR2 | (3) | Were redundant primary key columns eliminated from iot secondary index? | |
DROPPED | VARCHAR2 | (3) | Whether index is dropped and is in Recycle Bin | |
VISIBILITY | VARCHAR2 | (9) | Whether the index is VISIBLE or INVISIBLE to the optimizer | |
DOMIDX_MANAGEMENT | VARCHAR2 | (14) | If this a domain index, then whether it is system managed or user managed | |
SEGMENT_CREATED | VARCHAR2 | (3) | Whether the index segment has been created | |
ORPHANED_ENTRIES | VARCHAR2 | (3) | ||
INDEXING | VARCHAR2 | (7) |
Cut, paste (and edit) the following text to query this object:
SELECT OWNER
, INDEX_NAME
, INDEX_TYPE
, TABLE_OWNER
, TABLE_NAME
, TABLE_TYPE
, UNIQUENESS
, COMPRESSION
, PREFIX_LENGTH
, TABLESPACE_NAME
, INI_TRANS
, MAX_TRANS
, INITIAL_EXTENT
, NEXT_EXTENT
, MIN_EXTENTS
, MAX_EXTENTS
, PCT_INCREASE
, PCT_THRESHOLD
, INCLUDE_COLUMN
, FREELISTS
, FREELIST_GROUPS
, PCT_FREE
, LOGGING
, BLEVEL
, LEAF_BLOCKS
, DISTINCT_KEYS
, AVG_LEAF_BLOCKS_PER_KEY
, AVG_DATA_BLOCKS_PER_KEY
, CLUSTERING_FACTOR
, STATUS
, NUM_ROWS
, SAMPLE_SIZE
, LAST_ANALYZED
, DEGREE
, INSTANCES
, PARTITIONED
, TEMPORARY
, GENERATED
, SECONDARY
, BUFFER_POOL
, FLASH_CACHE
, CELL_FLASH_CACHE
, USER_STATS
, DURATION
, PCT_DIRECT_ACCESS
, ITYP_OWNER
, ITYP_NAME
, PARAMETERS
, GLOBAL_STATS
, DOMIDX_STATUS
, DOMIDX_OPSTATUS
, FUNCIDX_STATUS
, JOIN_INDEX
, IOT_REDUNDANT_PKEY_ELIM
, DROPPED
, VISIBILITY
, DOMIDX_MANAGEMENT
, SEGMENT_CREATED
, ORPHANED_ENTRIES
, INDEXING
FROM SYS.ALL_INDEXES;
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